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Add special check to avoid isLoop call. Simple, but doesn't seem to speed

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up lcssa much in practice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29465 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-08-02 00:16:47 +00:00
parent 880ddb018a
commit f9ba401bf5
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/Utils/LCSSA.cpp
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@ -177,7 +177,7 @@ void LCSSA::ProcessInstruction(Instruction *Instr,
}
// If the user is in the loop, don't rewrite it!
if (inLoop(UserBB)) {
if (UserBB == Instr->getParent() || inLoop(UserBB)) {
++UI;
continue;
}
@ -215,7 +215,7 @@ SetVector<Instruction*> LCSSA::getLoopValuesUsedOutsideLoop(Loop *L) {
UserBB = p->getIncomingBlock(OperandNo/2);
}
if (!inLoop(UserBB)) {
if (*BB != UserBB && !inLoop(UserBB)) {
AffectedValues.insert(I);
break;
}